有一个隐式的假设：每个表中的行是均匀分布在每个多分区数据库分区组中的所有分区上的。

There is an implicit assumption that the rows of each table are evenly distributed across all the partitions in each multiple-partition database partition group.

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标准JPA没有处理分区或分配的有效方式，因为规范已经隐式地假定单个数据库作为存储库。

Standard JPA has no effective means of dealing with sharding or portioning as the specification implicitly assumes a single database as the repository.

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对不同的计算区域采用不同的时间步长进行计算，建立了分区域计算方法。建立了基于分数步长法的隐式差分方法。

A zone partitioning technique for the calculational area was developed to apply different time steps in different areas during the solidification simulation.

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